1 /* Copyright (C) 1991-2022 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #include <errno.h> 19 #include <fcntl.h> 20 #include <stddef.h> 21 #include <sys/stat.h> 22 #include <sys/types.h> 23 24 25 /* Create a directory named PATH relative to FD with protections MODE. */ 26 int mkdirat(int fd,const char * path,mode_t mode)27mkdirat (int fd, const char *path, mode_t mode) 28 { 29 if (path == NULL) 30 { 31 __set_errno (EINVAL); 32 return -1; 33 } 34 35 if (fd != AT_FDCWD && path[0] != '/') 36 { 37 /* Check FD is associated with a directory. */ 38 struct stat64 st; 39 if (__fstat64 (fd, &st) != 0) 40 return -1; 41 42 if (!S_ISDIR (st.st_mode)) 43 { 44 __set_errno (ENOTDIR); 45 return -1; 46 } 47 } 48 49 __set_errno (ENOSYS); 50 return -1; 51 } 52 stub_warning (mkdirat) 53